These freshwater fish are found in rivers and lakes. They have a red coloration that covers their entire body. Males grow large lumps on their heads as they mature. They have a violent disposition and will intimidate other fish by getting in their face. They prey on crustaceans and smaller fish.
- Scientific Name
- Amphilophus citrinellus
- Classification
- Order: Perciformes, Family: Cichlidae
- Habitat
- Costa Rica, Nicaragua
